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Recent questions tagged bode-and-root-locus-plots
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GATE ECE 2020 | Question: 40
The characteristic equation of a system is $s^{3}+3s^{2}+\left ( K+2 \right )s+3K=0.$ In the root locus plot for the given system, as $K$ varies from $0$ to $\infty$, the break-away or break-in points(s) lie within $(-1, 0)$ $(-2, -1)$ $(-3, -2)$ $(-\infty, -3)$
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Control Systems
Feb 13, 2020
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gate2020-ec
control-systems
bode-and-root-locus-plots
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2
GATE ECE 2016 Set 3 | Question: 48
The forward-path transfer function and the feedback-path transfer function of a single loop negative feedback control system are given as $G(s)=\frac{K(s+2)}{s^2+2s+2}\;\text{and}\hspace{0.3cm}H(s)=1,$ respectively. If the variable parameter $K$ is real positive, then the location of the breakaway point on the root locus diagram of the system is _________
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Network Solution Methods
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Milicevic3306
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gate2016-ec-3
numerical-answers
network-solution-methods
transfer-function
bode-and-root-locus-plots
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3
GATE ECE 2016 Set 2 | Question: 47
The asymptotic Bode phase plot of $G\left ( s \right )=\frac{k}{\left ( s+0.1 \right )\left ( s+10 \right )\left ( s+p_{1} \right )},$ with $k$ and $p_{1}$ both positive, is shown below. The value of $p_{1}$ is _______
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Control Systems
Mar 28, 2018
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Milicevic3306
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gate2016-ec-2
numerical-answers
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4
GATE ECE 2016 Set 1 | Question: 5
Consider the plot $f(x)$ versus $x$ as shown below. Suppose $F(x)= \int_{-5}^{x} f(y) dy$. Which one of the following is a graph of $F(x)$?
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Control Systems
Mar 28, 2018
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gate2016-ec-1
control-systems
bode-and-root-locus-plots
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5
GATE ECE 2016 Set 1 | Question: 45
The open-loop transfer function of a unity-feedback control system is $G(s)= \frac{K}{s^2+5s+5}$. The value of $K$ at the breakaway point of the feedback contol system’s root-locus plot is _________
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Network Solution Methods
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gate2016-ec-1
numerical-answers
network-solution-methods
transfer-function
bode-and-root-locus-plots
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6
GATE ECE 2015 Set 3 | Question: 19
Consider the Bode plot shown in the figure. Assume that all the poles and zeros are real-valued. The value of $f_{H}\: – f_{L}\:( \text{in}\: Hz)$ is ___________.
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Mar 28, 2018
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gate2015-ec-3
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7
GATE ECE 2015 Set 3 | Question: 47
For the system shown in the figure, $s=-2.75$ lies on the root locus if $K$ is _______.
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Control Systems
Mar 28, 2018
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gate2015-ec-3
numerical-answers
bode-and-root-locus-plots
control-systems
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8
GATE ECE 2015 Set 1 | Question: 20
A unity negative feedback system has the open-loop transfer function $G(s) = \frac{K}{s(s+1)(s+3)}$. The value of the gain $K (>0)$ at which the root locus crosses the imaginary axis is ________
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Control Systems
Mar 28, 2018
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gate2015-ec-1
numerical-answers
control-systems
bode-and-root-locus-plots
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9
GATE ECE 2014 Set 4 | Question: 20
In a Bode magnitude plot, which one of the following slopes would be exhibited at high frequencies by a $4$th order all-pole system? $-80$ dB/decade $-40$ dB/decade $+40$ dB/decade $+80$ dB/decade
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Control Systems
Mar 26, 2018
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gate2014-ec-4
control-systems
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10
GATE ECE 2014 Set 2 | Question: 47
The Bode asymptotic magnitude plot of a minimum phase system is shown in the figure. If the system is connected in a unity negative feedback configuration, the steady state error of the closed loop system, to a unit ramp input, is _________.
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Control Systems
Mar 26, 2018
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gate2014-ec-2
numerical-answers
control-systems
bode-and-root-locus-plots
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11
GATE ECE 2014 Set 1 | Question: 47
The phase margin in degrees of $G(s) = \dfrac{10}{(s+0.1)(s+1)(s+10)}$ calculated using the asymptotic Bode plot is ______.
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Control Systems
Mar 26, 2018
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Milicevic3306
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gate2014-ec-1
numerical-answers
bode-and-root-locus-plots
control-systems
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12
GATE ECE 2013 | Question: 9
The Bode plot of a transfer function $G(s)$ is shown in the figure below. The gain $(20\log \mid G(s)\mid)$ is $32\:dB$ and $-8\:dB$ at $1\:rad/s$ and $10\:rad/s$ respectively. The phase is negative for all $\omega.$ Then $G(s)$ is $\frac{39.8}{s} \\$ $\frac{39.8}{s^{2}} \\$ $\frac{32}{s} \\$ $\frac{32}{s^{2}} \\$
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Control Systems
Mar 26, 2018
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gate2013-ec
control-systems
bode-and-root-locus-plots
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13
GATE ECE 2017 Set 1 | Question: 47
A linear time invariant (LTI) system with the transfer function $G(s)=\frac{K(s^{2}+2s+2)}{(s_{2}-3s+2)}$ is connected in unity feedback configuration as shown in the figure. For the closed loop system shown, the root locus for $0< K < \infty$ ... $K>1.5$ $1<K<1.5$ $0<K<1$ no positive value of $K$
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Control Systems
Nov 17, 2017
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admin
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98
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gate2017-ec-1
linear-time-invariant-systems
transfer-function
control-systems
bode-and-root-locus-plots
0
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0
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14
GATE ECE 2017 Set 1 | Question: 19
Consider a stable system with transfer function,$G(s)=\frac{s^{p}+b_{1}s^{p-1}+\dots +b_{p}}{s^{q}+a_{1}s^{q-1}+\dots +a_{q}}$, where $b_1, \dots ,b_p$ and $a_1, \dots ,a_q$ are real valued constants.The slope of the Bode log magnitude curve of $G(s)$ ... of values for $p$ and $q$ is $p=0$ and $q=3$ $p=1$ and $q=7$ $p=2$ and $q=3$ $p=3$ and $q=5$
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Control Systems
Nov 17, 2017
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admin
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gate2017-ec-1
bode-and-root-locus-plots
control-systems
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